原子坐標 的英文怎麼說
中文拼音 [yuánzizuòbiāo]
原子坐標
英文
atomic coordinates-
The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given
利用坐標旋轉后球坐標變量間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的加法公式；以遞進的方式說明磁矢量位、修正磁矢量位與二階矢量位的關系，寫出了引入二階矢量位的過程；以時諧場矢量邊值問題為例，闡明了不同坐標系下電磁場解的相互轉化原理，給出了一個解析解的轉化例子；在球坐標下，引入了較球矢量波函數更普遍的兩類矢量函數，給出了其在球面上的正交關系。Production and processing equipment : bearing production equipment, the ball processing equipment, bearing cleaning equipment, packaging equipment bearings, needle roller processing equipment, light jewelry processing equipment, spherical roller processing equipment, rough processing equipment, double - end grinders, spindle, wheel oilstone and other grinding materials, heat production, high - precision coordinates grinder, and outside grinder, seal marking machine, profilometry, contour dynamic analysis, hardness needle - sorting machine, a round instrument, processing tester, processing meter, dynamic vibration and noise analysis, vibration, noise testing device raceway ultra - precision instrument, roughness measuring instrument, the finish detector, sorting machine, converters and bearing products preservatives, lubricants, cleaning agents, such as processing raw materials
生產及加工設備：軸承生產設備球加工設備軸承清洗設備軸承包裝設備滾針加工設備光飾加工設備球面滾子加工設備毛坯加工設備雙端面磨床電主軸砂輪油石和其他研磨材料熱處理生產高精度坐標磨床內外圓磨床印子打標機輪廓測量儀輪廓動態分析儀硬度針分選機圓度儀加工測試儀加工測量儀振動噪聲動態分析儀震動噪聲測試裝置滾道超精儀粗糙度測量儀光潔度檢測儀分選機變頻器及軸承產品防腐劑潤滑劑清洗劑加工原材料等。A general solution to the schrsdinger equation about the motion of the entangled atom of two cases is obtained. subsequently, the wave functions in momentum and coordinate spaces are given according to the atoms " ini initial nd next, the dynamic properties of the two - atom entangled system are manifested
我們首先寫出兩種情況下系統的哈密頓量並解出薛定諤方程，可得到兩原子糾纏系統波函數的一般解，然後根據原子的初始條件得到了波函數在動量表象和坐標表象的特解。By use of the relationships between the hermite polynomial and the laguerre polynomial, the eigenequations of one - dimensional harmonic oscillator and hydrogen atom are conversed into the same equations in form. therefore the relationships between energy levels and wave functions of one - dimensional harmonic oscillator and hydrogen atom are found. through the coordinates transform, the relationships between energy levels and wave functions of two - dimensional harmonic oscillator and hydrogen atom are found
首先綜述了諧振子與氫原子的基本理論的研究現狀，並在此基礎上對諧振子與氫原子的關系展開了研究，通過厄密特方程與拉蓋爾方程的相互轉化，將一維諧振子與一維氫原子的本徵值方程轉化為相同形式的方程，從而比較得出它們能量及波函數間的關系，並通過坐標變換將直角坐標系下二維氫原子的本徵值方程轉化成與曲線坐標系下二維諧振子的本徵值方程相同的形式，從而得出二維氫原子與二維諧振子的能量及波函數的關系。We take the center of well as the origin of coordinates. we noticed that the electron ' s effective mass is different in the well and in the barrier, but did n ' t pay attention to the mismatch of the dielectric constant
33 ）量于階中心，把量子階中心選作坐標原點，考慮了在階中和壘中電子的有效質量的不同，但沒有考慮在階中和壘中介電常數的失配性。It also builds the mathematic model of all section of vscf ac exited wind power generation system on a - b - b and d - q coordinate system by the coordinate commutation technology. the thesis gives the characteristics of torque, active power, reactive power and the steady - state analysis of it. it proves that the capability of wind generator is determined to slip, the amplitude and phase of rotor voltage, the phase dispatch between stator voltage and rotor voltage
並分析了交流勵磁風力發電機作變速恆頻運行時的工作原理，闡述了與同步發電機、異步發電機的不同之處，分析了其能量平衡關系，在坐標變換技術的幫助下，詳細推導了交流勵磁發電機在a - b - c坐標系和d - q坐標系下的數學模型，分析並模擬了其有功和無功特性、轉矩和功率調節特性、穩態運行和機械特性，證明了發電機的性能由轉差率、轉子電壓的相位和幅值、定轉子電壓相位差所決定的。Second, the coordinate figure of the first and second principal components is of great audio - visual sicnifcance. it can clearly show the distinguishing feature and similarity. this is a very useful analyzing means. third, the factor analysis can be used completely to analyzing the aligning datas in time, its calculating results reflect totally the developmental trend and changing reasons of the textile industry in tianjin
分析結果表明： （ 1 ）在適當選取指標后，使用主成分分析法，可以將第一主成分作為一個地區綜合經濟實力的度量，其公式具有穩定的系數且結果可靠可信： （ 2 ）主成分坐標圖（如圖3 ）具有很強的直觀意義，各省市的特點及相似性都非常清楚地展示出來，這是一個很有用的分析工具； （ 3 ）因子分析法完全可以作為時間序列數據的實證分析，其計算結果客觀全面地反映出天津紡織工業的發展趨勢及其變動原因。Hydrogen atom in strong magnetic field : a high accurate calculation in spheroidal coordinates
橢球坐標下求解強磁場中的氫原子Assuming that the earthquake ground motion is a zero mean valued non - stationary random excitation, the higher accuracy numerical algorithm of these complex oscillators were developed in virtue of the principle of pseudo - excitation method
通過假定地震地面運動為一零均值的非平穩隨機激勵，應用虛擬激勵法原理，推導得到了廣義復振子動力坐標計算的一般公式，進而得到了非比例阻尼線性體系非平穩隨機地震響應計算的一般解答。In engineering, vector control ( vc ) is called as filed orientation control ( foc ). the principle of foc is to divide stator current into two dc components. one of them is oriented to the rotor magnetic flux, another is oriented to the torque. the operating process can be carried out by transforming coordinate in magnitude flux and torque keeping consistent conditions
矢量控制一般稱為磁場定向控制，該控制理論的原理是在轉子磁通和轉矩保持不變的情況下通過坐標變換將異步電機的定子電流分解為按轉子磁場定向的兩個分量分別進行控制，從而實現轉子磁通和轉矩的解耦。On the one hand, the linear interpolation in ( x, y ) plane makes it easy to separate the three - dimensional null subspace corresponding to rigid body motions, hence what is left to do is just to compute the inverse of a symmetric definite submatrix numerically. in this way the numerical difficulty in computing general inverse can be avoided
在物理坐標系中的線性插值函數便於將三個剛體模式分離出來，從而只需計算對稱正定子陣的逆，避免了求廣義逆的數值困難；在參考坐標系中的高階插值函數則可保持原平面彈性單元的列式方式。It applies the electronic total station 3d - ims ( three - dimensional industrial measurement system ), which based on the theory of forward intersectant mearement, to measure the spacial three - dimensional coordinates and get the measuring result by using the corresponding data processing softwares
該法是採用以定基線前方交會原理為基礎的電子全站儀三維工業測量系統進行空間三維坐標點的測量，然後用相應的軟體進行數據處理來獲得型面精度測量結果的。Then, the minimum circumscribed circle and shape principal orientation of the object region are calculated ; and the object region is divided into some blocks in the polar coordinate, which uses the center of the minimum circumscribed circle as the origin and the direction of the shape principal orientation as the direction of the polar axis, and the features of all subblocks are extracted to compose shape histograms and then smoothed ; then, combined with global features to synthetically represent the content of the image ; finally, a new image similarity is used to compute the distance between images
首先對商標圖像進行預處理，得到規則二值圖像;計算目標像素的最小外接圓和圖像的形狀主方向;在以最小外接圓圓心為原點、形狀主方向為極軸方向的極坐標中將圖像分塊，提取各子塊特徵，構成形狀直方圖並平滑處理;再結合全局形狀特徵來綜合表示圖像內容;最後採用新的相似性度量方法計算圖像間距離，實現商標圖像的準確檢索。Then a suboptimal solution of the graph maximum equal - cut problem is presented employing the randomized algorithm and the improved coordinate ascent ( descent ) algorithm on the optimal solution of semidefmite relaxation
在利用lagrange乘子理論得出原始問題的等價形式之後，將近似演算法與改進的坐標上升（下降）演算法結合，求得原問題的次優解。In this paper, the current states of research about the basic theory of stationary state perturbation method are firstly reviewed, on base of them, and studied some physics issues mainly about hydrogen atom. the stark effect of the energy level ( n = 4 ) of hydrogen atom is calculated and the stark effect of three dimensional hydrogen atom is discussed by the use of the parabolic coordinates, then the perturbative matrix elements for each energy level are given
本文首先綜述了關于定態微擾論基本理論的研究現狀，在此基礎上利用定態微擾論對某些物理問題，主要是對氫原子問題展開了研究，計算了氫原子n = 4能級的斯塔克效應，並利用拋物線坐標法求解了三維氫原子的斯塔克效應，給出了氫原子斯塔克效應中微擾矩陣元的普遍公式。Calculation of the atomic coordinates in c60 moleculae
60分子中原子坐標的計算Full digital computerized three - dimensional precise position syetem : it is the wold most advanced 128 guide fulldigital computerized three - dimensional precise position syetem which could monitor epilepsy patient pre - operation, in the operation and after operation. it consists of a 128 guide double - video synchronized electro - encephalographic long - distance monitoring system, a dipole three dimensional imagine position and analysis, a spine peak wave automatic recognized system, eeg and ct mri. these system are full of worldly advanced techniques, precisely providing the preliminary three - dimensional coordinate position of epilepsy inducing foci for surgery and gamma knife therapy
是世界最先進的128導全數字化癲癇術前術中術后診療評估系統，由128導雙視頻腦電同步長程監測系統偶極子三維圖像定位分析系統棘尖波自動識別系統eeg與ct mri圖像融合系統等組成，擁有多項世界領先技術，為外科手術和伽瑪刀治療癲癇提供了精確的「致癇灶」原發三維坐標位置。Secondly, the theory of reference frame transformations is applied to transform the dynamic mathematical model to a d - q - 0 rotating reference frame system, and the dynamic performance of the bdfm is simulated by the computer
其次，應用坐標變換原理將籠型轉子無刷雙饋電機的動態數學模型轉換成d ? q ? 0坐標下的數學模型，並對這種電機進行了動態特性模擬研究。After the analysis of its structure and its vscf electricity generating principle, the bdfg ' s mathematical model is deduced. based on this model, some programs are designed to simulate typical running situations
本文通過對級聯式無刷雙饋發電機結構和工作原理的分析，建立了級聯式無刷雙饋發電機基於轉子機械速坐標系的數學模型。分享友人